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Overview

All of the pilot projects will save more water than required by the 1992 Energy Policy Act, often through the careful selection of low-flow plumbing fixtures and the planting of native, drought-resistant plants that require minimal irrigation. The seven LEED buildings save an estimated total of over 500,000 gallons per year in water, which is 43% of the water used in these buildings. Through the collection and use of rainwater and the cleansing and reuse of building wastewater, these projects altogether will save an additional one million gallons of potable water annually, relative to what is typically used for landscaping, site maintenance, and vehicle washing activities.

 
Bronx County Hall of Justice
Design commenced 1995

Potable water use
reduced in building
over 1992 Energy
Policy Act
Landscape irrigation
uses minimal potable
water

Low-flow fixtures,
metered faucets
Native, drought-
resistant plants
requiring little or no
irrigation

ACS Children's Center
Design commenced 1998

Potable water use
reduced
Possible contamination
from old piping
prevented

Low-flow fixtures, flow
restrictors
Water filtration system
for possible lead
contamination

Queens Botanical Garden
Design commenced in 1999

110,000 gallons/year
of potable water use
avoided – a 64%
reduction below the
1992 Energy Policy Act
68,796 gallons/year of
wastewater avoided – a
62% reduction
Gardens not irrigated
with potable water
Educational water
feature highlights
rainwater and grey
water cleansing

Low-flow fixtures,
flow restrictors
Waterless urinals
Grey water system
reuses cleansed sink,
shower and
dishwashing water for
landscape
Native drought-
resistant planting
requiring no irrigation
Composting toilets for
staff

George R Vierno Center Dormitory
Design commenced 1999

Potable water use
reduced for
landscaping

Native drought-
resistant plants

Williamsburg Daycare Center
Design commenced 1999

Potable water use
reduced in building

Low-flow fixtures, flow
restrictors

NY Hall of Science:
Design commenced 2000

Potable water use
reduced in building
over 1992 Energy
Policy Act
Landscaping is not
irrigated

Low-flow fixtures,
metered faucets
Native drought-
resistant plants
requiring no irrigation

Carl F Kauffeld House of Reptiles:
Design commenced 2000

Landscape uses no
irrigation

Established trees and
planting protected
during construction
Recirculation utilized
where not precluded by
health concerns

Kensington Branch Library:
Design commenced 2001

Potable water use
reduced in building
Landscaping uses no
potable water

Low-flow fixtures, flow
restrictors
Native drought-
resistant plants
requiring no irrigation

Lion House Conservation:
Design commenced 2002

Potable water use
reduced in building –
53% over 1992 Energy
Policy Act, saving
approximately 80,000
gallons/year
Wastewater use
reduced 21%
Landscaping uses no
potable water

Low-flow fixtures, flow
restrictors
Waterless urinals
Grey water system
reclaims wastewater for
toilet use
Native drought-
resistant plants
requiring no irrigation
Building recycles water
for adjacent sea lion
exhibit

New Sunrise Yard:
Design commenced 2003

Potable water use
reduced 29% over
1992 Energy Policy Act
(26,000 gallons/year)
Landscape uses no
potable water

Low-flow fixtures, flow
restrictors, metered
faucets
Waterless urinals
Native drought-
resistant plants
requiring no irrigation
Street trees in
extended trenches, with
amended soils

Brooklyn Children’s Museum:
Design commenced 2004

Potable water use
reduced in building
20% over 1992 Energy
Policy Act
Landscape uses no
potable water

Low-flow fixtures, flow
restrictors
Waterless urinals
Grey water system
reuses cleansed sink,
shower, and
dishwashing water for
landscape
Native drought-
resistant plant requiring
no irrigation

Office of Emergency Management:
Design commenced 2004

Potable water use
reduced in building –
33.33% over 1992
Energy Policy Act, for
137,800 gallons per
year
Landscape irrigation
uses no potable water

Low-flow toilets,
lavatories, showers,
and metered faucets
Waterless urinals
Native drought-
resistant plants
requiring minimal or no
irrigation

Glen Oaks Branch Library:
Design commenced 2005

Potable water use
reduced in building – at
least 20% over 1992
Energy Policy Act
Potable water use
eliminated for
landscaping irrigation

Low-flow fixtures,
metered faucets
Collected and cleansed
stormwater used for
irrigation
Native drought-
resistant plants

Weeksville Heritage Center:
Design commenced 2005

Potable water use
reduced in building
30% over 1992 Energy
Policy Act
Landscape irrigation
does not use potable
water

Low-flow fixtures, flow
restrictors
Waterless urinals
Collected and cleansed
stormwater for
irrigation
Native drought-
resistant plants

Remsen Yard:
Design commenced 2005

Potable water use
reduced in building –
41% over 1992 Energy
Policy Act
(approximately
142,000 gallons per
year)
Potable water use
reduced for yard
operations by 51% for
annual site needs
Combined building and
site reduction will be
1.4 million gallons of
potable water/year
(50%)
Landscape planting
(4,000 sf) uses no
potable water

Low-flow fixtures, dual-
flush toilets, waterless
urinals, flow restrictors
Rainwater from roof
collected in 10,000
gallon tank, treated and
reused for yard
activities such as truck
washing and dust
control
Drought-tolerant plants
utilize rainwater when
available



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